w.deng | 15392b4 | 2025-06-16 15:34:57 +0800 | [diff] [blame^] | 1 |
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 2 | #include <stdio.h>
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| 3 | #include <stdlib.h>
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| 4 | #include <string.h>
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| 5 | #include <unistd.h>
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| 6 | #include <fcntl.h>
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| 7 | #include <errno.h>
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w.deng | 82d2b05 | 2025-05-21 00:21:18 -0700 | [diff] [blame] | 8 | #include "cfg_api.h"
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 9 |
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| 10 | #define BUFFER_SIZE (1024 * 20) // Define the buffer size for each read
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| 11 | #define FIND_STR_LEN 128 // Define the length of the string to find
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| 12 | #define FOTA_UPDATE_STATUS_FILE "/cache/zte_fota/update_status"
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| 13 |
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| 14 | // Custom memmem function
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| 15 | static void* custom_memmem(const void* haystack, size_t haystack_len, const void* needle, size_t needle_len)
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| 16 | {
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| 17 | if (needle_len == 0 || haystack_len < needle_len)
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| 18 | {
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| 19 | return NULL;
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| 20 | }
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| 21 |
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| 22 | size_t i = 0;
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| 23 | const unsigned char* h = (const unsigned char*)haystack;
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| 24 | const unsigned char* n = (const unsigned char*)needle;
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| 25 |
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| 26 | for (i = 0; i <= haystack_len - needle_len; ++i)
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| 27 | {
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| 28 | if (memcmp(h + i, n, needle_len) == 0)
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| 29 | {
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| 30 | return (void*)(h + i);
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| 31 | }
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| 32 | }
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| 33 |
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| 34 | return NULL;
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| 35 | }
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| 36 |
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| 37 | // Remove the last boundary marker from the file
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| 38 | static int remove_last_boundary(const char *filename, const char *boundary_marker, int boundary_marker_len)
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| 39 | {
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| 40 | int fd = open(filename, O_RDWR);
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| 41 | if (fd == -1)
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| 42 | {
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| 43 | perror("Unable to open file for reading and writing");
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| 44 | return 1;
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| 45 | }
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| 46 |
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| 47 | // Get the file size
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| 48 | off_t file_size = lseek(fd, 0, SEEK_END);
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| 49 | if (file_size == -1)
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| 50 | {
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| 51 | perror("Unable to get file size");
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| 52 | close(fd);
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| 53 | return 1;
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| 54 | }
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| 55 |
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| 56 | // Search for the boundary_marker from the end of the file
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| 57 | off_t search_start = file_size - FIND_STR_LEN;
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| 58 | if (search_start < 0)
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| 59 | {
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| 60 | search_start = 0;
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| 61 | }
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| 62 |
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| 63 | lseek(fd, search_start, SEEK_SET);
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| 64 |
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| 65 | char buffer[FIND_STR_LEN + 1]; // +1 for storing '\0'
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| 66 | int bytes_read = read(fd, buffer, FIND_STR_LEN);
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| 67 | if (bytes_read <= 0)
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| 68 | {
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| 69 | perror("Unable to read file");
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| 70 | close(fd);
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| 71 | return 1;
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| 72 | }
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| 73 | buffer[bytes_read] = '\0'; // Ensure the string is null-terminated
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| 74 |
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| 75 | // Find the boundary_marker
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| 76 | char *boundary = custom_memmem(buffer, bytes_read, boundary_marker, boundary_marker_len);
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| 77 | if (boundary)
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| 78 | {
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| 79 | // Found boundary_marker, calculate the truncate position
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| 80 | off_t truncate_pos = search_start + (boundary - buffer);
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| 81 | if (ftruncate(fd, truncate_pos) == -1)
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| 82 | {
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| 83 | perror("Unable to truncate file");
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| 84 | close(fd);
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| 85 | return 1;
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| 86 | }
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| 87 | }
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| 88 |
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| 89 | close(fd);
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| 90 | return 0;
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| 91 | }
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| 92 |
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| 93 | // Function to handle file upload
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| 94 | static int handle_file_upload(const char *source_filename, const char *target_filename, int content_length)
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| 95 | {
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| 96 | char buffer[BUFFER_SIZE];
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| 97 | int bytes_read;
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| 98 | int target_fd = -1;
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| 99 | int source_fd = -1; // Source file descriptor
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| 100 | char *content_start_ptr = NULL;
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| 101 | int content_start = 0;
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mj.qu | acba5cb | 2025-04-24 20:35:25 -0700 | [diff] [blame] | 102 | const char *boundary_marker = "\r\n------"; // Boundary marker
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 103 | int boundary_marker_len = strlen(boundary_marker);
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| 104 |
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| 105 | // Open the target file
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| 106 | target_fd = open(target_filename, O_WRONLY | O_CREAT | O_TRUNC, 0644);
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| 107 | if (target_fd == -1)
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| 108 | {
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| 109 | perror("Unable to open target file");
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| 110 | return 1;
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| 111 | }
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| 112 |
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| 113 | // Open the source file
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| 114 | source_fd = open(source_filename, O_RDONLY);
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| 115 | if (source_fd == -1)
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| 116 | {
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| 117 | perror("Unable to open source file");
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| 118 | close(target_fd);
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| 119 | return 1;
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| 120 | }
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| 121 |
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| 122 | // Read the request header to find the start position of file content
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| 123 | bytes_read = read(source_fd, buffer, BUFFER_SIZE);
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| 124 | if (bytes_read <= 0)
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| 125 | {
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| 126 | printf("Content-type: text/html\r\n\r\n");
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| 127 | printf("<h1>Error: Failed to read data</h1>");
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| 128 | printf("<p>Error number: %d - %s</p>", errno, strerror(errno));
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| 129 | close(target_fd);
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| 130 | close(source_fd);
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| 131 | return 1;
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| 132 | }
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| 133 |
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| 134 | // Find the start position of the file content (usually after \r\n\r\n)
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| 135 | content_start_ptr = strstr(buffer, "\r\n\r\n");
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| 136 | if (!content_start_ptr)
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| 137 | {
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| 138 | printf("Content-type: text/html\r\n\r\n");
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| 139 | printf("<h1>Error: Unable to find the start position of file content</h1>");
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| 140 | close(target_fd);
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| 141 | close(source_fd);
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| 142 | return 1;
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| 143 | }
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| 144 |
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| 145 | // Calculate the actual start position of the file content
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| 146 | content_start = content_start_ptr - buffer + 4;
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| 147 |
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| 148 | // Write the first part of the file content
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| 149 | if (content_start < bytes_read)
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| 150 | {
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| 151 | if (write(target_fd, buffer + content_start, bytes_read - content_start) == -1)
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| 152 | {
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| 153 | perror("Unable to write to target file");
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| 154 | close(target_fd);
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| 155 | close(source_fd);
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| 156 | return 1;
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| 157 | }
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| 158 | }
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| 159 |
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| 160 | // Update the remaining content length
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| 161 | content_length -= (bytes_read - content_start);
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| 162 |
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| 163 | // Continue reading and writing the file in segments
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| 164 | while (content_length > 0)
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| 165 | {
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| 166 | bytes_read = read(source_fd, buffer, BUFFER_SIZE);
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| 167 | if (bytes_read <= 0)
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| 168 | {
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| 169 | // If reading is complete, normally break out of the loop
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| 170 | break;
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| 171 | }
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| 172 |
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| 173 | // Write the file content
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| 174 | if (write(target_fd, buffer, bytes_read) == -1)
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| 175 | {
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| 176 | perror("Unable to write to target file");
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| 177 | close(target_fd);
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| 178 | close(source_fd);
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| 179 | return 1;
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| 180 | }
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| 181 |
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| 182 | // Update the remaining content length
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| 183 | content_length -= bytes_read;
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| 184 | }
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| 185 |
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| 186 | // Close file descriptors
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| 187 | close(target_fd);
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| 188 | close(source_fd);
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| 189 |
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| 190 | // Remove the last boundary marker from the file
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| 191 | return remove_last_boundary(target_filename, boundary_marker, boundary_marker_len);
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| 192 | }
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| 193 |
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| 194 | static int fota_is_file_exist(const char* path)
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| 195 | {
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| 196 | if ( (path == NULL) || (*path == '\0') )
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| 197 | return 0;
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| 198 | if (access(path, R_OK) != 0)
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| 199 | return 0;
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| 200 |
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| 201 | return 1;
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| 202 | }
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| 203 |
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| 204 | static int fota_read_file(const char*path, char*buf, size_t sz)
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| 205 | {
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| 206 | int fd = -1;
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| 207 | size_t cnt;
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| 208 |
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| 209 | fd = open(path, O_RDONLY, 0);
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| 210 | if(fd < 0)
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| 211 | {
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| 212 | printf("fota_read_file failed to open %s: %s\n", path, strerror(errno));
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| 213 | cnt = -1;
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| 214 | return cnt;
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| 215 | }
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| 216 | cnt = read(fd, buf, sz - 1);
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| 217 | if(cnt <= 0)
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| 218 | {
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| 219 | printf("failed to read %s: %s\n", path, strerror(errno));
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| 220 | close(fd);
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| 221 | cnt = -1;
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| 222 | return cnt;
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| 223 | }
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| 224 | buf[cnt] = '\0';
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| 225 | if(buf[cnt - 1] == '\n')
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| 226 | {
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| 227 | cnt--;
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| 228 | buf[cnt] = '\0';
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| 229 | }
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| 230 | close(fd);
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| 231 |
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| 232 | return cnt;
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| 233 | }
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| 234 |
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| 235 | static int fota_read_file_int(const char* path, int *val)
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| 236 | {
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| 237 | char buf[32];
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| 238 | char *end;
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| 239 | int ret;
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| 240 | int tmp;
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| 241 |
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| 242 | ret = fota_read_file(path, buf, sizeof(buf));
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| 243 | if(ret < 0)
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| 244 | return -1;
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| 245 |
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| 246 | errno = 0;
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| 247 | tmp = strtol(buf, &end, 0);
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| 248 | if (errno == ERANGE)
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| 249 | {
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| 250 | printf("strtol errno %d: %s\n", errno, strerror(errno));
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| 251 | }
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| 252 |
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| 253 | if ((end == buf) || ((end < buf + sizeof(buf)) && (*end != '\0')))
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| 254 | {
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| 255 | return -1;
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| 256 | }
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| 257 |
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| 258 | *val = tmp;
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| 259 |
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| 260 | return 0;
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| 261 | }
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| 262 |
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| 263 | static int fota_get_update_status(int *fota_status)
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| 264 | {
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| 265 | int status = 0;
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| 266 | int ret = 0;
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| 267 | if(!fota_is_file_exist(FOTA_UPDATE_STATUS_FILE))
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| 268 | {
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| 269 | *fota_status = -1;
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| 270 | return -1;
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| 271 | }
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| 272 | ret = fota_read_file_int(FOTA_UPDATE_STATUS_FILE, &status);
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| 273 | if(ret < 0)
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| 274 | {
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| 275 | *fota_status = -1;
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| 276 | return -1;
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| 277 | }
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| 278 | *fota_status = status;
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| 279 | return 0;
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| 280 | }
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| 281 |
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mj.qu | 290d655 | 2025-02-11 22:34:46 -0800 | [diff] [blame] | 282 | static void print_json_response(int success, const char* message)
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| 283 | {
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| 284 | printf("Content-type: application/json\r\n\r\n");
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| 285 | printf("{\"success\": %d, \"message\": \"%s\"}\n", success, message);
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| 286 | }
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| 287 |
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 288 | static void cgi_fota_update_progress()
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| 289 | {
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| 290 | int upgradeStatus, result;
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| 291 |
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| 292 | system("fota_upi -u verify > /dev/null 2>&1");
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w.deng | 15392b4 | 2025-06-16 15:34:57 +0800 | [diff] [blame^] | 293 | sleep(1);
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mj.qu | 290d655 | 2025-02-11 22:34:46 -0800 | [diff] [blame] | 294 | result = fota_get_update_status(&upgradeStatus);
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| 295 | if(result < 0)
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| 296 | {
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w.deng | 82d2b05 | 2025-05-21 00:21:18 -0700 | [diff] [blame] | 297 | cfg_set("fota_update_flag", "0");
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mj.qu | 290d655 | 2025-02-11 22:34:46 -0800 | [diff] [blame] | 298 | print_json_response(0, "Fail to read update file");
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| 299 | }
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| 300 | else if(upgradeStatus != 0)
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| 301 | {
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w.deng | 82d2b05 | 2025-05-21 00:21:18 -0700 | [diff] [blame] | 302 | cfg_set("fota_update_flag", "0");
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mj.qu | 290d655 | 2025-02-11 22:34:46 -0800 | [diff] [blame] | 303 | print_json_response(0, "Verify update file failed");
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| 304 | }
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| 305 | else
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| 306 | {
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| 307 | print_json_response(1, "File verification successful, start updating...");
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mj.qu | 290d655 | 2025-02-11 22:34:46 -0800 | [diff] [blame] | 308 | system("fota_upi -u recovery > /dev/null 2>&1 &");
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| 309 | }
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 310 | }
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| 311 |
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| 312 | int main()
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| 313 | {
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mj.qu | c4b3b12 | 2025-02-12 23:53:45 -0800 | [diff] [blame] | 314 | const char *source_filename = "/tmp/firmware_tmp_file"; // Source file path
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 315 | const char *target_filename = "/cache/zte_fota/delta.package"; // Target file path
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| 316 | const char *content_length_str = NULL;
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| 317 | int content_length = 0;
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| 318 |
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| 319 | system("rm -rf /cache/zte_fota");
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| 320 | system("mkdir -p /cache/zte_fota");
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| 321 |
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| 322 | // Get environment variables
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| 323 | content_length_str = getenv("CONTENT_LENGTH");
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| 324 | if (!content_length_str)
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| 325 | {
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mj.qu | c4b3b12 | 2025-02-12 23:53:45 -0800 | [diff] [blame] | 326 | system("rm -rf /tmp/firmware_tmp_file");
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mj.qu | 290d655 | 2025-02-11 22:34:46 -0800 | [diff] [blame] | 327 | print_json_response(0, "Missing CONTENT_LENGTH environment variable");
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 328 | return 1;
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| 329 | }
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| 330 |
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| 331 | content_length = atoi(content_length_str);
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| 332 | if (content_length <= 0)
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| 333 | {
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mj.qu | c4b3b12 | 2025-02-12 23:53:45 -0800 | [diff] [blame] | 334 | system("rm -rf /tmp/firmware_tmp_file");
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mj.qu | 290d655 | 2025-02-11 22:34:46 -0800 | [diff] [blame] | 335 | print_json_response(0, "Invalid CONTENT_LENGTH");
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 336 | return 1;
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| 337 | }
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w.deng | 82d2b05 | 2025-05-21 00:21:18 -0700 | [diff] [blame] | 338 | cfg_set("fota_update_flag", "1");
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 339 | // Call the file upload handling function
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| 340 | if (handle_file_upload(source_filename, target_filename, content_length) != 0)
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| 341 | {
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mj.qu | c4b3b12 | 2025-02-12 23:53:45 -0800 | [diff] [blame] | 342 | system("rm -rf /tmp/firmware_tmp_file");
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mj.qu | 290d655 | 2025-02-11 22:34:46 -0800 | [diff] [blame] | 343 | print_json_response(0, "File upload failed");
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w.deng | 82d2b05 | 2025-05-21 00:21:18 -0700 | [diff] [blame] | 344 | cfg_set("fota_update_flag", "0");
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 345 | return 1;
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| 346 | }
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| 347 |
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| 348 | // Output success information
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mj.qu | 290d655 | 2025-02-11 22:34:46 -0800 | [diff] [blame] | 349 | //print_json_response(1, "File upload successful");
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mj.qu | c4b3b12 | 2025-02-12 23:53:45 -0800 | [diff] [blame] | 350 | system("rm -rf /tmp/firmware_tmp_file");
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 351 |
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| 352 | cgi_fota_update_progress();
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| 353 |
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mj.qu | 49441c2 | 2025-02-10 18:11:48 -0800 | [diff] [blame] | 354 | return 0;
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| 355 | }
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