diff options
Diffstat (limited to 'Utilities/cmcurl/lib/netrc.c')
| -rw-r--r-- | Utilities/cmcurl/lib/netrc.c | 124 |
1 files changed, 89 insertions, 35 deletions
diff --git a/Utilities/cmcurl/lib/netrc.c b/Utilities/cmcurl/lib/netrc.c index 0a4ae2cdca..4461b8492f 100644 --- a/Utilities/cmcurl/lib/netrc.c +++ b/Utilities/cmcurl/lib/netrc.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms @@ -18,6 +18,8 @@ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * + * SPDX-License-Identifier: curl + * ***************************************************************************/ #include "curl_setup.h" @@ -31,6 +33,7 @@ #include "netrc.h" #include "strtok.h" #include "strcase.h" +#include "curl_get_line.h" /* The last 3 #include files should be in this order */ #include "curl_printf.h" @@ -56,8 +59,6 @@ enum host_lookup_state { static int parsenetrc(const char *host, char **loginp, char **passwordp, - bool *login_changed, - bool *password_changed, char *netrcfile) { FILE *file; @@ -71,31 +72,87 @@ static int parsenetrc(const char *host, char state_login = 0; /* Found a login keyword */ char state_password = 0; /* Found a password keyword */ - int state_our_login = FALSE; /* With specific_login, found *our* login - name */ + int state_our_login = TRUE; /* With specific_login, found *our* login + name (or login-less line) */ DEBUGASSERT(netrcfile); file = fopen(netrcfile, FOPEN_READTEXT); if(file) { - char *tok; - char *tok_buf; bool done = FALSE; char netrcbuffer[4096]; int netrcbuffsize = (int)sizeof(netrcbuffer); - while(!done && fgets(netrcbuffer, netrcbuffsize, file)) { + while(!done && Curl_get_line(netrcbuffer, netrcbuffsize, file)) { + char *tok; + char *tok_end; + bool quoted; if(state == MACDEF) { if((netrcbuffer[0] == '\n') || (netrcbuffer[0] == '\r')) state = NOTHING; else continue; } - tok = strtok_r(netrcbuffer, " \t\n", &tok_buf); - if(tok && *tok == '#') - /* treat an initial hash as a comment line */ - continue; + tok = netrcbuffer; while(tok) { + while(ISBLANK(*tok)) + tok++; + /* tok is first non-space letter */ + if(!*tok || (*tok == '#')) + /* end of line or the rest is a comment */ + break; + + /* leading double-quote means quoted string */ + quoted = (*tok == '\"'); + + tok_end = tok; + if(!quoted) { + while(!ISSPACE(*tok_end)) + tok_end++; + *tok_end = 0; + } + else { + bool escape = FALSE; + bool endquote = FALSE; + char *store = tok; + tok_end++; /* pass the leading quote */ + while(*tok_end) { + char s = *tok_end; + if(escape) { + escape = FALSE; + switch(s) { + case 'n': + s = '\n'; + break; + case 'r': + s = '\r'; + break; + case 't': + s = '\t'; + break; + } + } + else if(s == '\\') { + escape = TRUE; + tok_end++; + continue; + } + else if(s == '\"') { + tok_end++; /* pass the ending quote */ + endquote = TRUE; + break; + } + *store++ = s; + tok_end++; + } + *store = 0; + if(escape || !endquote) { + /* bad syntax, get out */ + retcode = NETRC_FAILED; + goto out; + } + } + if((login && *login) && (password && *password)) { done = TRUE; break; @@ -140,9 +197,9 @@ static int parsenetrc(const char *host, /* we are now parsing sub-keywords concerning "our" host */ if(state_login) { if(specific_login) { - state_our_login = strcasecompare(login, tok); + state_our_login = !Curl_timestrcmp(login, tok); } - else if(!login || strcmp(login, tok)) { + else if(!login || Curl_timestrcmp(login, tok)) { if(login_alloc) { free(login); login_alloc = FALSE; @@ -158,7 +215,7 @@ static int parsenetrc(const char *host, } else if(state_password) { if((state_our_login || !specific_login) - && (!password || strcmp(password, tok))) { + && (!password || Curl_timestrcmp(password, tok))) { if(password_alloc) { free(password); password_alloc = FALSE; @@ -183,27 +240,22 @@ static int parsenetrc(const char *host, } break; } /* switch (state) */ - - tok = strtok_r(NULL, " \t\n", &tok_buf); - } /* while(tok) */ - } /* while fgets() */ + tok = ++tok_end; + } + } /* while Curl_get_line() */ out: if(!retcode) { /* success */ - *login_changed = FALSE; - *password_changed = FALSE; if(login_alloc) { if(*loginp) free(*loginp); *loginp = login; - *login_changed = TRUE; } if(password_alloc) { if(*passwordp) free(*passwordp); *passwordp = password; - *password_changed = TRUE; } } else { @@ -224,17 +276,16 @@ static int parsenetrc(const char *host, * *loginp and *passwordp MUST be allocated if they aren't NULL when passed * in. */ -int Curl_parsenetrc(const char *host, - char **loginp, - char **passwordp, - bool *login_changed, - bool *password_changed, +int Curl_parsenetrc(const char *host, char **loginp, char **passwordp, char *netrcfile) { int retcode = 1; char *filealloc = NULL; if(!netrcfile) { +#if defined(HAVE_GETPWUID_R) && defined(HAVE_GETEUID) + char pwbuf[1024]; +#endif char *home = NULL; char *homea = curl_getenv("HOME"); /* portable environment reader */ if(homea) { @@ -243,7 +294,6 @@ int Curl_parsenetrc(const char *host, } else { struct passwd pw, *pw_res; - char pwbuf[1024]; if(!getpwuid_r(geteuid(), &pw, pwbuf, sizeof(pwbuf), &pw_res) && pw_res) { home = pw.pw_dir; @@ -256,6 +306,13 @@ int Curl_parsenetrc(const char *host, if(pw) { home = pw->pw_dir; } +#elif defined(_WIN32) + } + else { + homea = curl_getenv("USERPROFILE"); + if(homea) { + home = homea; + } #endif } @@ -268,8 +325,7 @@ int Curl_parsenetrc(const char *host, free(homea); return -1; } - retcode = parsenetrc(host, loginp, passwordp, login_changed, - password_changed, filealloc); + retcode = parsenetrc(host, loginp, passwordp, filealloc); free(filealloc); #ifdef WIN32 if(retcode == NETRC_FILE_MISSING) { @@ -279,16 +335,14 @@ int Curl_parsenetrc(const char *host, free(homea); return -1; } - retcode = parsenetrc(host, loginp, passwordp, login_changed, - password_changed, filealloc); + retcode = parsenetrc(host, loginp, passwordp, filealloc); free(filealloc); } #endif free(homea); } else - retcode = parsenetrc(host, loginp, passwordp, login_changed, - password_changed, netrcfile); + retcode = parsenetrc(host, loginp, passwordp, netrcfile); return retcode; } |